Attachment 136630 Details for Bug 104553 – Failing piglit test (when test_variant = 2) for this bug.

Failing piglit test (when test_variant = 2) for this bug.

mat4-row-major-column-major-deref.shader_test (text/plain), 2.69 KB, created by florian.will on 2018-01-09 11:39:00 UTC

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Creator: florian.will

Created: 2018-01-09 11:39:00 UTC

Size: 2.69 KB

patch

obsolete

># Reading mat4 components from UBOs should respect row/column_major layouts.
>
>[require]
>GLSL >= 1.30
>GL_ARB_uniform_buffer_object
>
>[vertex shader passthrough]
>
>[fragment shader]
>#extension GL_ARB_uniform_buffer_object: require
>
>out vec4 outcolor;
>
>uniform Block {
>    uint test_variant;
>    layout(row_major) mat4 m_row_major;
>    layout(column_major) mat4 m_col_major;
>};
>
>vec4 extract_by_index(mat4 m) {
>    return vec4(m[0][0], m[3][0], m[0][3], m[1][2]);
>}
>
>vec4 extract_swizzle(mat4 m) {
>    return vec4(m[0].x,  m[3].x,  m[0].w,  m[1].z);
>}
>
>void main()
>{
>    /* These variants should result in the same color */
>    if (test_variant == 0u)
>        outcolor = extract_by_index(m_col_major);
>    else if (test_variant == 1u)
>        outcolor = extract_swizzle(m_col_major);
>    else if (test_variant == 2u)
>        outcolor = extract_by_index(m_row_major);
>    else if (test_variant == 3u)
>        outcolor = extract_swizzle(m_row_major);
>
>
>    /* These variants should result in the same color (col sum) */
>    else if (test_variant == 100u)
>        outcolor = vec4(1, 1, 1, 1) * m_col_major;
>    else if (test_variant == 101u)
>        outcolor = vec4(1, 1, 1, 1) * m_row_major;
>
>
>    /* These variants should result in the same color (row sum) */
>    else if (test_variant == 200u)
>        outcolor = m_col_major * vec4(1, 1, 1, 1);
>    else if (test_variant == 201u)
>        outcolor = m_row_major * vec4(1, 1, 1, 1);
>}
>
>[test]
># Matrix:
># 0.01 0.05 0.09 0.13
># 0.02 0.06 0.10 0.14
># 0.03 0.07 0.11 0.15
># 0.04 0.08 0.12 0.16
>
># shader_runner "uniform" command always expects data in column-major format,
># but will use the layout specified in the uniform block to upload matrix data
># to the GPU, so both lines look similar, but result in different buffer
># contents.
>uniform mat4 m_row_major   0.01 0.02 0.03 0.04   0.05 0.06 0.07 0.08   0.09 0.10 0.11 0.12   0.13 0.14 0.15 0.16
>uniform mat4 m_col_major   0.01 0.02 0.03 0.04   0.05 0.06 0.07 0.08   0.09 0.10 0.11 0.12   0.13 0.14 0.15 0.16
>clear color 0.0 0.0 0.0 0.0
>
>clear
>uniform uint test_variant 0
>draw rect -1 -1 2 2
>probe all rgba 0.01 0.13 0.04 0.07
>
>clear
>uniform uint test_variant 1
>draw rect -1 -1 2 2
>probe all rgba 0.01 0.13 0.04 0.07
>
>clear
>uniform uint test_variant 2
>draw rect -1 -1 2 2
>probe all rgba 0.01 0.13 0.04 0.07
>
>clear
>uniform uint test_variant 3
>draw rect -1 -1 2 2
>probe all rgba 0.01 0.13 0.04 0.07
>
>clear
>uniform uint test_variant 100
>draw rect -1 -1 2 2
>probe all rgba 0.1 0.26 0.42 0.58
>
>clear
>uniform uint test_variant 101
>draw rect -1 -1 2 2
>probe all rgba 0.1 0.26 0.42 0.58
>
>clear
>uniform uint test_variant 200
>draw rect -1 -1 2 2
>probe all rgba 0.28 0.32 0.36 0.40
>
>clear
>uniform uint test_variant 201
>draw rect -1 -1 2 2
>probe all rgba 0.28 0.32 0.36 0.40

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Attachments on bug 104553: 136630 | 136648 | 136878 | 136897 | 144167

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